155122052606513 has 8 divisors (see below), whose sum is σ = 155270935383720. Its totient is φ = 154973229402240.

The previous prime is 155122052606407. The next prime is 155122052606537. The reversal of 155122052606513 is 315606250221551.

It can be written as a sum of positive squares in 4 ways, for example, as 16796415345649 + 138325637260864 = 4098343^2 + 11761192^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155122052606513 - 2³⁰ = 155120978864689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155122052606713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9682058 + ... + 20099411.

It is an arithmetic number, because the mean of its divisors is an integer number (19408866922965).

Almost surely, 2^{155122052606513} is an apocalyptic number.

It is an amenable number.

155122052606513 is a deficient number, since it is larger than the sum of its proper divisors (148882777207).

155122052606513 is a wasteful number, since it uses less digits than its factorization.

155122052606513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29786467.

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 155122052606513 in words is "one hundred fifty-five trillion, one hundred twenty-two billion, fifty-two million, six hundred six thousand, five hundred thirteen".